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The effect of too long commercial refrigeration start time
author: supermarket refrigerated showcase category: walk-in display coolers Views: 538Time: 2016-08-22
The effect of too long commercial refrigeration start time
Features and maintenance of long start-up time of commercial refrigeration
1. Poor refrigeration effect The refrigeration effect of commercial refrigeration can reach the low temperature, which makes the commercial refrigeration run for a long time. , Disconnect the thermostat contact and stop. The reasons, characteristics, and maintenance of poor cooling can be found in the section No cooling or poor cooling.
2. Decreased thermostat performance. The thermostat has decreased performance, and it is not sensitive to the temperature in the commercial refrigeration. Features: The refrigeration effect of the freezer and refrigerator compartment is stronger than normal, and some refrigerator compartments also freeze. Repair method: Replace the thermostat. For ordinary commercial refrigeration, a time controller can also be used to control the work of commercial refrigeration.
3. Too few thermostat temperature sensing tube coils are only seen in secondary rework machines. The temperature sensing tube of the thermostat is coiled on the fixed piece and then installed in the commercial refrigeration body. If the number of coiled coils is insufficient, it will also cause the temperature to be sensed incorrectly and cause the boot time to be too long. Repair method: re-wind the temperature sensing tube.
4. Commercial refrigeration internal bladder slightly detached. Commercial refrigeration internal bladder should be tightly adhered to the surface of the evaporator inside. If the two are separated, the temperature sensing tube fixed on the surface of the internal bladder cannot correctly sense the temperature of the evaporator, resulting in a long startup time. Features: Same as above. Repair method: fix the inner tank after shutting down for 24 hours. Before repairing, pierce a few small eyes on the inner tank to drain the internal water.
5. Thermistor is broken and the electronic control commercial refrigeration temperature control is controlled by the computer board according to the thermistor feedback resistance. If the thermistor is damaged, it will cause the computer board to misjudge the internal temperature of the commercial refrigeration. Downtime. Features: The refrigeration is stronger than under normal conditions, and the resistance of the thermistor is not measured correctly. Repair method: replace the thermistor of the same specification.
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